Practical GraphQL - Become a GraphQL Ninja - Type Relationships in GraphQL

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Information Technology (IT), Architecture
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University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal when establishing relationships between types in GraphQL?
To associate each car with a user
To ensure each car has a unique identifier
To list all cars in alphabetical order
To create a separate database for cars
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why should the owner field in the car type be non-nullable?
To ensure every car has a user
To allow cars to exist without users
To improve the performance of queries
To make the database more flexible
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What change is made to the data model to link cars to users?
Using a string to represent the owner
Creating a separate table for ownership
Introducing a property called 'owned by' with an ID
Adding a new field called 'ownerName'
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What issue arises when using the default resolver for the car owner field?
It returns a string instead of a user type
It fails to return any data
It returns a number instead of a user type
It causes a syntax error
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the custom resolver help in fetching the correct user data?
By converting the ID to a string
By ignoring the 'owned by' property
By directly accessing the user database
By using the 'owned by' ID to fetch user details
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of logging the parent parameter in the custom resolver?
To verify the fields returned from the car type
To test the speed of the resolver
To ensure the console is working
To check if the parent is null
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What adjustment is necessary when using the 'owned by' ID to access the user array?
Dividing the ID by two
Multiplying the ID by two
Adding one to the ID
Subtracting one from the ID
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